statusbot.ino

oid backlight(unsigned long rgb) {
  int r = rgb >> 16 & 0x0000FF;
  int g = rgb >> 8 & 0x0000FF;
  int b = rgb & 0x0000FF;

  r = map(r, 0, 255, 0, brightness);
  g = map(g, 0, 255, 0, brightness);
  b = map(b, 0, 255, 0, brightness);

  // common anode so invert!
  r = map(r, 0, 255, 255, 0);
  g = map(g, 0, 255, 255, 0);
  b = map(b, 0, 255, 255, 0);

  analogWrite(R_PIN, r);
  analogWrite(G_PIN, g);
  analogWrite(B_PIN, b);
}